Arrays of Cooper pair boxes coupled to a superconducting reservoir: superradiance and revival
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چکیده
منابع مشابه
Superradiance of cold atoms coupled to a superconducting circuit
Daniel Braun,1,2 Jonathan Hoffman,3 and Eite Tiesinga3 1Laboratoire de Physique Théorique – Université de Toulouse Paul Sabatier, F-31062 Toulouse, France 2Laboratoire de Physique Théorique – Insitut de Recherche sur les Systèmes Atomiques et Moléculaires Comples, Centre National de la Recherche Scientifique (CNRS), F-31062 Toulouse, France 3Joint Quantum Institute, National Institute of Standa...
متن کاملCorrelation-induced suppression of decoherence in capacitively coupled Cooper-pair boxes
J. Q. You,1,2 Xuedong Hu,1,3 and Franco Nori1,4 1Frontier Research System, The Institute of Physical and Chemical Research (RIKEN), Wako-shi 351-0198, Japan 2Department of Physics and Surface Physics Laboratory (National Key Laboratory), Fudan University, Shanghai 200433, China 3Department of Physics, University at Buffalo, SUNY, Buffalo, New York 14260-1500, USA 4Center for Theoretical Physics...
متن کاملCooper-pair propagation and superconducting correlations in graphene
J. González1 and E. Perfetto2 1Instituto de Estructura de la Materia, Consejo Superior de Investigaciones Científicas, Serrano 123, 28006 Madrid, Spain 2Consorzio Nazionale Interuniversitario per le Scienze Fisiche della Materia, Università di Roma Tor Vergata, Via della Ricerca Scientifica 1, 00133 Roma, Italy Received 25 May 2007; revised manuscript received 3 August 2007; published 3 October...
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The Single Cooper-pair Box (SCB) is a small superconducting island connected via two Josephson junctions to a reservoir. It is described by its Josephson coupling energy EJ, and by its charging energy EC=e/2Cqb, where Cqb is the total capacitance of the box and e is the electron charge. In the SCB it is possible to create superpositions of charge states involving a discrete number of excess Coo...
متن کاملNumerical study of energy loss by a nanomechanical oscillator coupled to a Cooper-pair box
We calculate the dynamics of a nanomechanical oscillator NMO coupled capacitively to a Cooper-pair box CPB by solving a stochastic Schrödinger equation with two Lindblad operators Commun. Math. Phys. 48, 119 1976 . . Both the NMO and the CPB are assumed dissipative, and the coupling is treated within the rotating wave approximation. We show numerically that, if the CPB decay time is smaller tha...
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ژورنال
عنوان ژورنال: Journal of Physics: Condensed Matter
سال: 2004
ISSN: 0953-8984,1361-648X
DOI: 10.1088/0953-8984/16/25/008